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发明名称
Improvements in and relating to phase shifting circuits
摘要
申请公布号
GB620222(A)
申请公布日期
1949.03.22
申请号
GB19470000811
申请日期
1947.01.09
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
分类号
H03H11/20
主分类号
H03H11/20
代理机构
代理人
主权项
地址
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